Home / 29,339.36-40,488.21-15,910.58

Finding the Fourth Proportional to 29,339.36, 40,488.21 and 15,910.58

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Solution

The fourth proportional to 29,339.36, 40,488.21 and 15,910.58 is: 21,956.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,339.36 : 40,488.21 = 15,910.58 : x
  2. Step 2: Convert to fraction form
    29,339.36/40,488.21 = 15,910.58/x
  3. Step 3: Cross multiply
    29,339.36x = 40,488.21 × 15,910.58
  4. Step 4: Simplify right side
    29,339.36x = 644,190,904.26
  5. Step 5: Solve for x
    x = 644,190,904.26/29,339.36
  6. Step 6: Final answer
    x = 21,956.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.